a) H2 + Cl2 => 2HCl
b) 1 mol Cl2............2*36,5g HCl
30 moli Cl2..............xg HCl
x=73*30=2190g HCl (mt)
n(eta)=mp/mt*100=>mp=n*mt/100=80*2190/100= Calculează !!!
c) 1 mol Cl2.............2 moli HCl
30 moli Cl2............x=60 moli HCl
1 mol HCl......,...6,022*10^23 molecule
60 moli HCl......x molecule
x=6,022*60*10^23 molecule HCl